<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>点密度专题图</title>

    <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <link rel="stylesheet" href="http://cdn.bootcss.com/leaflet/1.0.3/leaflet.css">
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript" src="http://cdn.bootcss.com/leaflet/1.0.3/leaflet.js"></script>
<script type="text/javascript" src="../../dist/iclient9-leaflet.min.js"></script>
<script type="text/javascript">
    var map, themeService, themeDotDensity, themeParameters, themeLayer,
            url = "http://support.supermap.com.cn:8090/iserver/services/map-world/rest/maps/World";
    map = L.map('map', {
        crs: L.CRS.EPSG4326,
        center: [0, 0],
        maxZoom: 18,
        zoom: 1
    });
    L.supermap.tiledMapLayer(url, {noWrap: true, transparent: true}).addTo(map);
    createTheme();

    function createTheme() {
        themeService = L.supermap.themeService(url);
        themeDotDensity = new SuperMap.ThemeDotDensity({
            dotExpression: "Pop_1994",
            value: 5000000,
            style: new SuperMap.ServerStyle({
                markerSize: 3,
                markerSymbolID: 12
            })
        });
        themeParameters = new SuperMap.ThemeParameters({
            themes: [themeDotDensity],
            datasetNames: ["Countries"],
            dataSourceNames: ["World"]
        });
        themeService.getThemeInfo(themeParameters, function (serviceResult) {
            var result = serviceResult.result;
            if (result && result.newResourceID) {
                themeLayer = L.supermap.tiledMapLayer(url, {
                    noWrap: true,
                    cacheEnabled: false,
                    transparent: true,
                    layersID: result.newResourceID
                }).addTo(map);
            }
        });
    }
</script>
</body>
</html>